Home / 85,194.94-117,570.27-49,387.66

Finding the Fourth Proportional to 85,194.94, 117,570.27 and 49,387.66

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Solution

The fourth proportional to 85,194.94, 117,570.27 and 49,387.66 is: 68,155.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,194.94 : 117,570.27 = 49,387.66 : x
  2. Step 2: Convert to fraction form
    85,194.94/117,570.27 = 49,387.66/x
  3. Step 3: Cross multiply
    85,194.94x = 117,570.27 × 49,387.66
  4. Step 4: Simplify right side
    85,194.94x = 5,806,520,520.87
  5. Step 5: Solve for x
    x = 5,806,520,520.87/85,194.94
  6. Step 6: Final answer
    x = 68,155.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.